Final answer:
The passage of RA 9155 grants the school head more power and authority over their school to manage school resources and personnel.
Step-by-step explanation:
The passage of RA 9155 grants the school head more power and authority over their school. With this power, the school head is empowered to manage school resources and personnel. They are responsible for making decisions related to the allocation of resources, the recruitment and retention of staff, and the overall management and success of the school.